CN113488678A - Hydrogen supply system of fuel cell vehicle - Google Patents
Hydrogen supply system of fuel cell vehicle Download PDFInfo
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- CN113488678A CN113488678A CN202110732890.5A CN202110732890A CN113488678A CN 113488678 A CN113488678 A CN 113488678A CN 202110732890 A CN202110732890 A CN 202110732890A CN 113488678 A CN113488678 A CN 113488678A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04298—Processes for controlling fuel cells or fuel cell systems
- H01M8/04313—Processes for controlling fuel cells or fuel cell systems characterised by the detection or assessment of variables; characterised by the detection or assessment of failure or abnormal function
- H01M8/0444—Concentration; Density
- H01M8/04447—Concentration; Density of anode reactants at the inlet or inside the fuel cell
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04082—Arrangements for control of reactant parameters, e.g. pressure or concentration
- H01M8/04089—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants
- H01M8/04119—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants with simultaneous supply or evacuation of electrolyte; Humidifying or dehumidifying
- H01M8/04156—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants with simultaneous supply or evacuation of electrolyte; Humidifying or dehumidifying with product water removal
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04298—Processes for controlling fuel cells or fuel cell systems
- H01M8/04313—Processes for controlling fuel cells or fuel cell systems characterised by the detection or assessment of variables; characterised by the detection or assessment of failure or abnormal function
- H01M8/04664—Failure or abnormal function
- H01M8/04671—Failure or abnormal function of the individual fuel cell
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04298—Processes for controlling fuel cells or fuel cell systems
- H01M8/04694—Processes for controlling fuel cells or fuel cell systems characterised by variables to be controlled
- H01M8/04746—Pressure; Flow
- H01M8/04753—Pressure; Flow of fuel cell reactants
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04298—Processes for controlling fuel cells or fuel cell systems
- H01M8/04694—Processes for controlling fuel cells or fuel cell systems characterised by variables to be controlled
- H01M8/04791—Concentration; Density
- H01M8/04798—Concentration; Density of fuel cell reactants
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Sustainable Development (AREA)
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Fuel Cell (AREA)
Abstract
Disclosed is a hydrogen supply system of a fuel cell vehicle, including: an ejector (215); the hydrogen supply unit is used for reducing the pressure of hydrogen in the hydrogen storage tank (204) and then conveying the hydrogen to a primary inlet of the ejector (215) through a pipeline, supplying the hydrogen which is not reacted at the anode of the galvanic pile (220) to a secondary inlet of the ejector (215) through a circulating pipeline, and mixing and diffusing the hydrogen flowing in from the primary inlet and the secondary inlet to an output pipeline connected with the galvanic pile (220) through the ejector (215); a hydrogen leakage monitoring unit for monitoring the hydrogen concentration in the air around the hydrogen supply unit; and the controller is used for controlling the hydrogen supply unit to supply hydrogen to the galvanic pile (220) according to flow demand, stopping supplying hydrogen to the galvanic pile (220) when the hydrogen leakage monitoring unit monitors that the hydrogen concentration exceeds a safety threshold, and purging the hydrogen in the pipeline of the hydrogen supply unit. The invention can adjust the hydrogen supply amount according to the load change and has the function of emergency treatment of hydrogen leakage.
Description
Technical Field
The invention relates to a hydrogen supply system of a fuel cell automobile, in particular to a hydrogen supply system which controls hydrogen flow in real time by mutually coordinating a plurality of sensors and a controller.
Background
In recent years, fuel cell technology has gained much national attention, and fuel cells directly supply electric energy to motors by converting chemical energy into electric energy without the limitation of carnot cycle, so that fuel cells have the advantages of high efficiency, no noise, no pollution and the like. The proton exchange membrane fuel cell is widely applied to various fuel cells, hydrogen and oxygen respectively react at an anode and a cathode, hydrogen ions generated by the hydrogen reaction are transferred to the cathode through the proton exchange membrane to react with the oxygen to generate water, and generated electrons are transferred by an external circuit to form current to supply energy required by an external load.
The traditional fuel cell hydrogen supply system adopts a mode of intermittently discharging at a terminal and periodically closing a tail discharge valve, so that hydrogen which is not reacted stays at an anode for a long time to participate in reaction, and the utilization rate of the hydrogen can also be improved to a certain degree.
Disclosure of Invention
The invention provides a hydrogen supply system of a fuel cell automobile, which can recycle unreacted hydrogen, adjust the hydrogen supply amount according to the load and has an emergency treatment function on hydrogen leakage.
According to an aspect of an embodiment of the present invention, there is provided a hydrogen supply system of a fuel cell vehicle, including:
an ejector;
the hydrogen supply unit is used for conveying the hydrogen in the hydrogen storage tank to the primary inflow port of the ejector through a pipeline after reducing the pressure of the hydrogen, supplying the unreacted hydrogen of the anode of the galvanic pile to the secondary inflow port of the ejector through a circulating pipeline, and mixing and diffusing the hydrogen flowing in from the primary inflow port and the secondary inflow port to an output pipeline connected with the galvanic pile by the ejector;
a hydrogen leakage monitoring unit for monitoring the hydrogen concentration in the air around the hydrogen supply unit; and
and the controller controls the hydrogen supply unit to supply hydrogen to the galvanic pile according to flow demand, stops supplying hydrogen to the galvanic pile when the hydrogen leakage monitoring unit monitors that the concentration of the hydrogen exceeds a safety threshold value, and purges the hydrogen in a pipeline of the hydrogen supply unit to remove the risk of hydrogen leakage.
In some examples, the hydrogen storage tank further comprises a hydrogenation unit for hydrogenating the hydrogen storage tank, wherein the hydrogenation unit comprises a hydrogenation port, a buffer chamber, a one-way valve and a high-pressure confluence chamber which are sequentially connected, the hydrogen storage tank is connected to the high-pressure confluence chamber, the hydrogen storage tank is provided with a pressure sensor and a temperature sensor for monitoring the hydrogen state, and when the hydrogen storage tank is monitored to be full of hydrogen, the one-way valve is closed.
In some examples, a first pressure release valve and a first exhaust pipe are installed on the high-pressure confluence chamber, when the hydrogen leakage monitoring unit monitors that the concentration of hydrogen in air is greater than a safety threshold, the first pressure release valve is started, the gas supply valve of the hydrogen storage tank is closed, and the first exhaust pipe discharges the hydrogen in the high-pressure confluence chamber.
In some examples, the hydrogen gas provided by the hydrogen storage tank is subjected to two times of pressure reduction and then is transferred to the ejector.
In some examples, the high-pressure confluence chamber is connected with the primary flow inlet of the ejector sequentially through a ball valve, a primary pressure reducing valve, a first electromagnetic valve, a secondary pressure reducing valve, a diameter adjustable valve and a hydrogen flow rate control pump, a second pressure relief valve and a second exhaust pipe are connected to a connecting pipeline between the primary pressure reducing valve and the first electromagnetic valve, and the controller controls the opening degree of the diameter adjustable valve and the rotating speed of an impeller in the hydrogen flow rate control pump according to flow requirements.
In some examples, the output conduit between the eductor and the stack has thereon: a heater for controlling the temperature of the hydrogen gas; a pressure monitoring sensor and a temperature monitoring sensor for monitoring the pressure and the temperature of the hydrogen; and a second solenoid valve; and when the pressure monitoring sensor and the temperature monitoring sensor monitor that the gas flowing into the galvanic pile meets the supply condition, the second electromagnetic valve is opened.
In some examples, the unreacted hydrogen at the anode of the galvanic pile is subjected to gas-liquid separation by a steam-water separation device and then supplied to the secondary inflow port of the ejector, and the separated liquid water is discharged from a tail discharge valve.
In some examples, the device further comprises a heating device for heating the liquid water discharged by the tail valve at low temperature.
The invention can stably adjust the continuously changing hydrogen flow by adjusting the diameters of the flow rate control pump and the diameter adjustable valve, and well solves the problem of smaller working range of the ejector. The whole hydrogen supply system has a complete control strategy, ensures that hydrogen delivered to the anode meets the load requirement, establishes a safety monitoring and emergency treatment strategy, can alarm and treat emergency situations such as hydrogen leakage and protects equipment and personnel safety. The hydrogen controller adopts a domain controller architecture and adopts hierarchical control, thereby well ensuring the safety and the high efficiency of the hydrogen supply system.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings of the embodiments will be briefly described below.
Fig. 1 is a structural diagram of a hydrogen supply system of a fuel cell vehicle according to an embodiment of the present invention.
Fig. 2 is a fuel cell power domain controller architecture diagram.
Fig. 3 is a diagram illustrating a hierarchical control architecture of a hydrogen supply system of a fuel cell vehicle according to an embodiment of the present invention.
Fig. 4 is a flowchart illustrating a hydrogen supply system control strategy of a fuel cell vehicle according to an embodiment of the present invention.
Detailed Description
Fig. 1 shows a hydrogen supply system of a fuel cell vehicle, the system including: a hydrogen storage tank 204; an ejector 215; a hydrogenation unit that adds hydrogen gas to the hydrogen storage tank 204; the hydrogen supply unit is used for reducing the pressure of hydrogen in the hydrogen storage tank 204 and then conveying the hydrogen to a primary inlet of the ejector 215 through a pipeline, supplying the hydrogen which is not reacted at the anode of the galvanic pile 220 to a secondary inlet of the ejector 215 through a circulating pipeline, and mixing and diffusing the hydrogen flowing in the primary inlet and the secondary inlet to an output pipeline connected with the galvanic pile 220 by the ejector 215; a hydrogen leakage monitoring unit for monitoring the concentration of hydrogen in the air surrounding the hydrogen supply unit; and the controller is used for controlling the hydrogenation unit to hydrogenate the hydrogen storage tank 204, controlling the hydrogen supply unit to supply hydrogen to the galvanic pile 220 according to flow demand, stopping supplying hydrogen to the galvanic pile 220 when the hydrogen leakage monitoring unit monitors that the hydrogen concentration exceeds a safety threshold, and purging the hydrogen in the pipeline of the hydrogen supply unit.
The hydrogenation unit comprises a hydrogenation port 201, a buffer chamber 202 and a high-pressure confluence chamber 203 which are connected in sequence, and a hydrogen storage tank 204 is connected to the high-pressure confluence chamber 203.
The hydrogen inlet 201 is determined by national standards, and is connected with an externally-connected hydrogen gun in an abutting mode to complete the injection of hydrogen, and the hydrogen can undergo pressure fluctuation in the process, so that the buffer chamber 202 is arranged to reduce the speed of the hydrogen flowing into the hydrogen storage tank 204, and the temperature of the hydrogen is prevented from being increased due to heat generated by friction.
A check valve is provided between the buffer chamber 202 and the high-pressure confluence chamber 203 to prevent the reverse flow of hydrogen gas after the completion of hydrogen charging.
The pressure sensor and the temperature sensor are arranged on the hydrogen storage tank 204, the hydrogen state in the hydrogen storage tank 204 is monitored at any time, and when the pressure threshold value of the hydrogen storage tank 204 which is full of hydrogen is reached, the check valve is closed, the hydrogen storage tank 204 is stopped being hydrogenated, so that the whole hydrogenation process is completed.
The first pressure release valve 205 and the first exhaust pipe 206 are installed on the high-pressure confluence chamber 203, and the hydrogen leakage monitoring units (such as a hydrogen concentration monitor) are arranged around the high-pressure confluence chamber, when the hydrogen concentration in the air is greater than a safety threshold (the hydrogen concentration in the air reaches 40000-750000ppm and is exploded when encountering a fire source), the vehicle warning lamp is started, the first pressure release valve 205 is opened, the air supply valve of the hydrogen storage tank 204 is closed, and the first exhaust pipe 206 rapidly exhausts a small amount of hydrogen in the confluence chamber 203, so that the concentration of the hydrogen in the air is reduced, and the safety of the automobile is protected.
The hydrogen gas supplied from the hydrogen storage tank 204 is subjected to two times of depressurization and then transferred to the ejector 215, but is not limited thereto.
The high-pressure confluence chamber 203 is connected with the primary inlet of an ejector 215 through a ball valve 207, a primary pressure reducing valve 209, an electromagnetic valve 212, a secondary pressure reducing valve 213, a diameter adjustable valve 208 and a hydrogen flow rate control pump 214 in sequence. A second relief valve 210 and a second exhaust pipe 211 are installed on a connecting pipe between the primary pressure reducing valve 209 and the electromagnetic valve 212. The controller controls the opening of the diameter adjustable valve 208 and the rotating speed of the impeller in the pump 214 according to the flow demand.
The ball valve 207 is connected in series with a start key of the automobile, and when the automobile is started, the ball valve 207 is opened, and at the moment, hydrogen in the hydrogen storage tank 204 starts to output hydrogen for supply.
A first-stage pressure reducing valve 209 is connected to the rear of the ball valve 207 to reduce the pressure of the hydrogen for the first time, and then a second pressure relief valve 210 and a second exhaust pipe 211 are connected.
An electromagnetic valve 212 is connected behind the second pressure relief valve 210, when the hydrogen leakage monitoring unit monitors that hydrogen leakage occurs in the pipeline between the diameter-adjustable valve 208 and the ball valve 207, the second pressure relief valve 210 is opened, the diameter-adjustable valve 208 and the ball valve 207 are closed, a part of the pipeline is closed, a small part of hydrogen in the pipeline is exhausted, hydrogen supply is quickly cut off, and the concentration of hydrogen in the air is reduced.
The electromagnetic valve 212 is connected with a secondary pressure reducing valve 213, so as to realize secondary pressure reduction of the hydrogen.
The diameter adjustable valve 208 integrates the functions of an electromagnetic valve and flow control, and can control the opening and closing of the valve and the diameter (opening degree) of the valve so as to control the flow of hydrogen.
The hydrogen enters the diameter adjustable valve 208 and the flow rate control pump 214 after being decompressed, the purpose of controlling the hydrogen flow rate is achieved by controlling the rotating speed of the impeller of the hydrogen flow rate control pump 214, the speed of the impeller is determined by the control voltage, and the controller provides an impeller control voltage signal.
The hydrogen flow rate control pump 214 is cooperatively matched with the diameter adjustable valve 208, so as to meet the required hydrogen flow rate and ensure that the pressure of the diameter adjustable valve 208 cannot be too high to prevent damage to the valve, the opening degree of the diameter adjustable valve 208 is determined by the control voltage, and the controller provides a control voltage signal.
Hydrogen gas with a determined flow rate flows into the eductor 215. As described above, the primary flow is supplied from the hydrogen storage tank 204, and the secondary flow is supplied from the unreacted hydrogen gas at the anode via the circulation line.
According to the formula
V represents the hydrogen flow rate required by the stack 220 at the required power, VcirculateRepresents the hydrogen flow rate of the secondary flow circulation, D represents the diameter of the valve of the diameter-adjustable valve 208, and may be continuously varied, and v represents the flow rate of the primary flow hydrogen controlled by the hydrogen flow rate control pump 214.
The controller calculates the power requirement to obtain V, a flow sensor is arranged at the secondary inflow port of the ejector 215, the flow of the secondary flow is monitored in real time, and the flow of the hydrogen required by the primary flow is obtained after subtraction.
The hydrogen which is not reacted exists in the galvanic pile 220, if the power required by the automobile is larger, the hydrogen quantity required by the anode of the galvanic pile 220 is larger, a corresponding excess coefficient is set, and the residual hydrogen quantity which is not reacted is correspondingly increased.
The unreacted hydrogen gas contains water which permeates from the cathode to the anode, the hydrogen gas and the water are separated in a condensation mode by using a steam-water separation device 221, the separated hydrogen gas enters an ejector 215 as a secondary flow and is mixed with a primary flow supplied by a hydrogen storage tank 204 in a mixing chamber, and the mixed gas enters a diffusion chamber through a cooling channel and is diffused to an output pipeline connected with a galvanic pile 220 through the diffusion chamber.
The gas temperature is controlled within an optimum temperature range before entering the stack 220, and thus a heater (which may be a heating wire) 216 is installed after the diffusion chamber to adjust the temperature of the hydrogen gas.
A pressure monitoring sensor 217 and a temperature monitoring sensor 218 are installed after the heater 216, the state of the gas finally flowing into the stack 220 is monitored, and when the supply condition is satisfied, the solenoid valve 219 is opened.
The liquid water separated by the steam-water separation device 221 is discharged from the tail discharge valve 223. In order to adapt to extremely cold weather conditions, the heating device 222 is arranged around the tail drain valve 223, when the external environment temperature is lower than 0 ℃, the heating device 222 is started to heat tail drain water, and water in the tail drain valve 223 is prevented from being condensed and frozen to block the tail drain water.
As shown in fig. 2, the controller of the hydrogen supply system of the fuel cell vehicle according to the present invention belongs to a part of a power domain controller structure, and conforms to the architecture idea of dividing the vehicle structure into functional blocks, the controller of the fuel cell vehicle domain further comprises a plurality of power domain related controllers such as a DC/DC converter, a braking energy recovery controller, a fuel cell stack controller, an air supply controller, and a battery controller, and each controller independently completes its own work and CAN also realize signal transmission and cross-controller control through a CAN bus.
As shown in fig. 3 and 4, the controller implements hierarchical control, and in consideration of that hydrogen gas is dangerous explosive gas, the controller of the present invention is provided with a sensor for monitoring hydrogen gas leakage and a component for controlling hydrogen gas leakage risk as a primary control object, including a hydrogen concentration monitor, an alarm lamp, a gas supply valve of the hydrogen storage tank 204, a first pressure release valve 205, a ball valve 207, a diameter adjustable valve 208, a second pressure release valve 210, electromagnetic valves 219 and 212, and the like.
The controller is provided with components and sensors for supplying hydrogen to the galvanic pile 220 as two-stage control objects, and the components and sensors comprise a flow sensor for monitoring the flow of the ejector, a diameter adjustable valve 208, a hydrogen flow rate control pump 214, a heater 216, a pressure monitoring sensor 217, a temperature monitoring sensor 218, electromagnetic valves 219 and 212 and the like
When the controller reaches the first-level safety standard, the hydrogen supply control operation to the stack 220 is performed, and the safety of the whole hydrogen supply system can be ensured by using the hierarchical control.
Claims (8)
1. A hydrogen supply system for a fuel cell vehicle, comprising:
an ejector (215);
the hydrogen supply unit is used for reducing the pressure of hydrogen in the hydrogen storage tank (204) and then conveying the hydrogen to a primary inlet of the ejector (215) through a pipeline, supplying the hydrogen which is not reacted at the anode of the galvanic pile (220) to a secondary inlet of the ejector (215) through a circulating pipeline, and mixing and diffusing the hydrogen flowing in from the primary inlet and the secondary inlet to an output pipeline connected with the galvanic pile (220) through the ejector (215);
a hydrogen leakage monitoring unit for monitoring the hydrogen concentration in the air around the hydrogen supply unit; and
and the controller controls the hydrogen supply unit to supply hydrogen to the galvanic pile (220) according to flow demand, stops supplying hydrogen to the galvanic pile (220) when the hydrogen leakage monitoring unit monitors that the hydrogen concentration exceeds a safety threshold, and purges the hydrogen in the pipeline of the hydrogen supply unit.
2. The hydrogen supply system of the fuel cell automobile according to claim 1, further comprising a hydrogenation unit for hydrogenating hydrogen in the hydrogen storage tank (204), wherein the hydrogenation unit comprises a hydrogenation port (201), a buffer chamber (202), a check valve and a high-pressure confluence chamber (203) which are connected in sequence, the hydrogen storage tank (204) is connected to the high-pressure confluence chamber (203), the hydrogen storage tank (204) is provided with a pressure sensor and a temperature sensor for monitoring the hydrogen state, and when the hydrogen storage tank (204) is monitored to be full of hydrogen, the check valve is closed.
3. The hydrogen supply system of the fuel cell automobile according to claim 2, wherein a first pressure relief valve (205) and a first exhaust pipe (206) are installed on the high-pressure confluence chamber (203), when the hydrogen leakage monitoring unit monitors that the concentration of hydrogen in the air is greater than a safety threshold, the first pressure relief valve (205) is started, an air supply valve of the hydrogen storage tank (204) is closed, and the first exhaust pipe (206) exhausts the hydrogen in the high-pressure confluence chamber (203).
4. The hydrogen supply system for a fuel cell vehicle according to claim 3, wherein the hydrogen gas supplied from the hydrogen tank (204) is subjected to two times of pressure reduction and then transferred to the ejector (215).
5. The hydrogen supply system of the fuel cell automobile according to claim 4, wherein the high-pressure confluence chamber (203) is connected with the primary inlet of the ejector (215) sequentially through a ball valve (207), a primary pressure reducing valve (209), an electromagnetic valve (212), a secondary pressure reducing valve (213), a diameter adjustable valve (208) and a hydrogen flow rate control pump (214), a second pressure relief valve (210) and a second exhaust pipe (211) are connected to a connecting pipeline between the primary pressure reducing valve (209) and the electromagnetic valve (212), and the controller controls the opening degree of the diameter adjustable valve (208) and the rotating speed of an inner impeller of the hydrogen flow rate control pump (214) according to flow demand.
6. The hydrogen supply system for fuel cell vehicle according to any one of claims 1 to 5, wherein the output line between the ejector (215) and the stack (220) has: a heater (216) that controls the temperature of the hydrogen gas; a pressure monitoring sensor (217) and a temperature monitoring sensor (218) for monitoring the pressure and the temperature of the hydrogen gas; and a solenoid valve (219); when the pressure monitoring sensor (217) and the temperature monitoring sensor (218) monitor that the gas flowing into the galvanic pile (220) meets the supply condition, the electromagnetic valve (219) is opened.
7. The hydrogen supply system of the fuel cell automobile according to claim 6, wherein the hydrogen gas that has not reacted at the anode of the stack (220) is supplied to the secondary inlet of the ejector (215) after being subjected to gas-liquid separation by the steam-water separator (221), and the separated liquid water is discharged from the tail drain valve (223).
8. The hydrogen supply system of a fuel cell vehicle according to claim 7, further comprising a heating device (222) for heating liquid water discharged from the tail gate valve (223) at a low temperature.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114295278A (en) * | 2021-12-20 | 2022-04-08 | 中能国氢(天津)新能源科技开发有限公司 | Hydrogen fuel cell hydrogenation prompt system |
| CN115013190A (en) * | 2022-06-07 | 2022-09-06 | 北京氢燃科技有限公司 | Hydrogen supply device and method and hydrogen internal combustion engine |
| CN115036533A (en) * | 2022-06-10 | 2022-09-09 | 中国北方发动机研究所(天津) | Hydrogen supply device for fuel cell engine |
| CN118198418A (en) * | 2024-04-22 | 2024-06-14 | 广东佳邑新能源科技有限公司 | High-efficiency intelligent hydrogen supply system and method for hydrogen fuel cell |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030157383A1 (en) * | 2002-02-15 | 2003-08-21 | Nissan Motor Co., Ltd. | Purging control of fuel cell anode effluent |
| US20070227614A1 (en) * | 2006-03-29 | 2007-10-04 | Hitachi Plant Technologies, Ltd. | Hydrogen compressor system |
| CN102938467A (en) * | 2012-11-17 | 2013-02-20 | 新源动力股份有限公司 | Fuel cell positive pole system |
| JP2014149971A (en) * | 2013-02-01 | 2014-08-21 | Toyota Motor Corp | Fuel cell system |
| CN107017421A (en) * | 2017-03-09 | 2017-08-04 | 北京交通大学 | A kind of fuel of fuel cell car is monitored and EGR in real time |
| CN207368103U (en) * | 2017-11-01 | 2018-05-15 | 航天新长征电动汽车技术有限公司 | A kind of hydrogen supply system with pooling feature |
| CN109860663A (en) * | 2019-03-26 | 2019-06-07 | 一汽解放汽车有限公司 | A kind of hydrogen-feeding system at quick judgement hydrogen leak position |
| CN210576239U (en) * | 2019-11-11 | 2020-05-19 | 南通亿能能源科技有限公司 | Hydrogen supply system of hydrogen fuel cell |
| CN111244506A (en) * | 2020-01-17 | 2020-06-05 | 擎能动力科技(苏州)有限公司 | New energy automobile fuel cell system, working method, hydrogen gas inlet flow calculation method and efficiency evaluation method |
| CN112072145A (en) * | 2020-09-11 | 2020-12-11 | 北京亦嘉洁驱系统科技有限公司 | Hydrogen pressure reduction regulation and control system, method and equipment, battery system and design method |
| CN112201811A (en) * | 2020-09-27 | 2021-01-08 | 中国第一汽车股份有限公司 | Vehicle-mounted hydrogen storage system device and control method thereof |
-
2021
- 2021-06-30 CN CN202110732890.5A patent/CN113488678B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030157383A1 (en) * | 2002-02-15 | 2003-08-21 | Nissan Motor Co., Ltd. | Purging control of fuel cell anode effluent |
| US20070227614A1 (en) * | 2006-03-29 | 2007-10-04 | Hitachi Plant Technologies, Ltd. | Hydrogen compressor system |
| CN102938467A (en) * | 2012-11-17 | 2013-02-20 | 新源动力股份有限公司 | Fuel cell positive pole system |
| JP2014149971A (en) * | 2013-02-01 | 2014-08-21 | Toyota Motor Corp | Fuel cell system |
| CN107017421A (en) * | 2017-03-09 | 2017-08-04 | 北京交通大学 | A kind of fuel of fuel cell car is monitored and EGR in real time |
| CN207368103U (en) * | 2017-11-01 | 2018-05-15 | 航天新长征电动汽车技术有限公司 | A kind of hydrogen supply system with pooling feature |
| CN109860663A (en) * | 2019-03-26 | 2019-06-07 | 一汽解放汽车有限公司 | A kind of hydrogen-feeding system at quick judgement hydrogen leak position |
| CN210576239U (en) * | 2019-11-11 | 2020-05-19 | 南通亿能能源科技有限公司 | Hydrogen supply system of hydrogen fuel cell |
| CN111244506A (en) * | 2020-01-17 | 2020-06-05 | 擎能动力科技(苏州)有限公司 | New energy automobile fuel cell system, working method, hydrogen gas inlet flow calculation method and efficiency evaluation method |
| CN112072145A (en) * | 2020-09-11 | 2020-12-11 | 北京亦嘉洁驱系统科技有限公司 | Hydrogen pressure reduction regulation and control system, method and equipment, battery system and design method |
| CN112201811A (en) * | 2020-09-27 | 2021-01-08 | 中国第一汽车股份有限公司 | Vehicle-mounted hydrogen storage system device and control method thereof |
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| CN114295278A (en) * | 2021-12-20 | 2022-04-08 | 中能国氢(天津)新能源科技开发有限公司 | Hydrogen fuel cell hydrogenation prompt system |
| CN115013190A (en) * | 2022-06-07 | 2022-09-06 | 北京氢燃科技有限公司 | Hydrogen supply device and method and hydrogen internal combustion engine |
| CN115036533A (en) * | 2022-06-10 | 2022-09-09 | 中国北方发动机研究所(天津) | Hydrogen supply device for fuel cell engine |
| CN118198418A (en) * | 2024-04-22 | 2024-06-14 | 广东佳邑新能源科技有限公司 | High-efficiency intelligent hydrogen supply system and method for hydrogen fuel cell |
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